Composition and method for polymer moderated catalytic water for

Details Composition and method for polymer moderated catalytic water for Composition and method for polymer moderated catalytic water for

1997-09-29

1999-12-07

Straub, Gary P.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

502159, 2521811, 2521821, 423248, 422170, B01J 3100, H01J 718, H01M 488, C01B 300

Patent

active

059983256

ABSTRACT:
A composition suitable for safely removing hydrogen from gaseous mixtures containing hydrogen and oxygen, particularly those mixtures wherein the hydrogen concentration is within the explosive range. The composition comprises a hydrogenation catalyst, preferably Pd dispersed on carbon, wherein the concentration of Pd is from about 1-10 wt %, dispersed in a polymeric material matrix. As well as serving as a matrix to contain the hydrogenation catalyst, the polymeric material, which is substantially unreactive to hydrogen, provides both a diffusion restriction to hydrogen and oxygen, thereby limiting the rate at which the reactants (hydrogen and oxygen) can diffuse to the catalyst surface and thus, the production of heat from the recombination reaction and as a heat sink.

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